Updates

- Added ability to list multiple per-element monitor instances
- Added swap performance metrics graphing
- Added tooltips for all fields
- Added alerting on null data
- Moved diagnostic logging to the console
- Enabled in-control graph refresh (not the ugly page refresh!)
- Prettied up the theme
- Added show/hide effects to configuration and graph panels
- Forced minimum y-axis value to 0, and adjusted padding to get the
graph to cover more of the control
- Fixed bugs